Home / 72,376,986-157,520,220

Finding the Third Proportional to 72,376,986 and 157,520,220

Calculator

Solution

The third proportional to 72,376,986 and 157,520,220 is: 342,824,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376,986 : 157,520,220 = 157,520,220 : x
  2. Step 2: Convert to fraction form
    72,376,986/157,520,220 = 157,520,220/x
  3. Step 3: Cross multiply
    72,376,986x = 157,520,220 × 157,520,220
  4. Step 4: Simplify right side
    72,376,986x = 24,812,619,708,848,400
  5. Step 5: Solve for x
    x = 24,812,619,708,848,400/72,376,986
  6. Step 6: Final answer
    x = 342,824,716.53

Related Problems

Find third proportional to 36,188,493 and 78,760,110
Half scale
Find third proportional to 144,753,972 and 315,040,440
Double scale
Find third proportional to 72,376,988 and 157,520,224
Similar ratio
Find third proportional to 108,565,479 and 236,280,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.